Claims
- 1. An olefin polymerization catalyst composition comprising the product of the combination of an activator, an additive and a transition metal compound which is represented by the formulae:
- 2. The composition of claim 1 wherein the wherein the alkoxy compound is one or more of acetone, benzophenone, methyl ethyl ketone, diethyl ketone, methyl isobutyl ketone, methyl isopropyl ketone, diisopropyl ketone, methyl tertiary butyl ketone, acetophenone, cyclohexanone, cyclopentanone, benzaldehyde, pivaldehyde, ethyl n-propyl ketone, or ethyl isopropyl ketone.
- 3. The composition of claim 1 wherein M is titanium, zirconium or hafnium.
- 4. The composition of claim 1 wherein each Q is independently selected from the group consisting of halogens, hydrogen, alkyl, aryl, alkenyl, alkylaryl, arylalkyl, hydrocarboxy or phenoxy radicals having 1-20 carbon atoms, amides, phosphides, sulfides, silylalkyls, diketonates, and carboxylates.
- 5. The composition of claim 1 wherein X and Y are independently nitrogen, oxygen, sulfur or phosphorus.
- 6. The composition of claim 1 wherein Z is an aryl group.
- 7. The composition of claim 1 wherein J is pyridine.
- 8. The composition of claim 1 wherein the transition metal compound is [1-(2-Pyridyl)N-1-Methylethyl][1-N-2,6-Diisopropylphenyl Amido] Zirconium Tribenzyl.
- 9. The composition of claim 1 wherein the activator is an alumoxane.
- 10. The composition of claim 1 wherein the activator is a non-coordinating anion.
- 11. The composition of claim 8 wherein the activator is an alumoxane.
- 12. The composition of claim 8 wherein the activator is a modified methyl alumoxane.
- 13. The composition of claim 1 further comprising a metal stearate.
- 14. The composition of claim 1 further comprising aluminum distearate.
- 15. The composition of claim 1 wherein X and Y are nitrogen.
- 16. A process to polymerize olefins comprising contacting an olefin with a catalyst composition comprising the reaction product of an activator, an additive and a transition metal compound represented by the formulae:
- 17. The process of claim 16 wherein the alkoxy compound is one or more of acetone, benzophenone, methyl ethyl ketone, diethyl ketone, methyl isobutyl ketone, methyl isopropyl ketone, diisopropyl ketone, methyl tertiary butyl ketone, acetophenone, cyclohexanone, cyclopentanone, benzaldehyde, pivaldehyde, ethyl n-propyl ketone, or ethyl isopropyl ketone.
- 18. The process of claim 16 wherein M is zirconium.
- 19. The process of claim 16 wherein each Q is independently selected from the group consisting of halogens, hydrogen, alkyl, aryl, alkenyl, alkylaryl, arylalkyl, hydrocarboxy or phenoxy radicals having 1-20 carbon atoms, amides, phosphides, sulfides, silylalkyls, diketonates, and carboxylates.
- 20. The process of claim 16 wherein X and Y are independently nitrogen, oxygen, sulfur or phosphorus.
- 21. The process of claim 16 wherein Z is an aryl group.
- 22. The process of claim 16 wherein J is pyridine.
- 23. The process of claim 16 wherein the transition metal compound is [1-(2-Pyridyl)N-1-Methylethyl][1-N-2,6-Diisopropylphenyl Amido] Zirconium Tribenzyl and the additive is acetone.
- 24. The process of claim 16 wherein the activator is an alumoxane.
- 25. The process of claim 16 wherein the activator is a non-coordinating anion.
- 26. The process of claim 23 wherein the activator is an alumoxane.
- 27. The process of claim 23 wherein the activator is a modified methyl alumoxane.
- 28. The process of claim 16 wherein the olefin is a monomer having 2 to 30 carbon atoms.
- 29. The process of claim 16 wherein the olefin comprises ethylene.
- 30. The process of claim 16 wherein the olefin comprises ethylene and one or more of propylene, butene-1, pentene-1, 4-methyl-pentene-1, hexene-1, octene-1, decene-1, and 3-methyl-pentene-1.
- 31. The process of claim 16 wherein the process takes place in the gas phase.
- 32. The process of claim 31 wherein the catalyst composition is fed into the reactor as a solution.
- 33. The process of claim 31 wherein the transition metal compound is [1-(2-Pyridyl)N-1-Methylethyl][1-N-2,6-Diisopropylphenyl Amido] Zirconium Tribenzyl, the additive is acetone and the activator is an alumoxane.
- 34. The process of claim 31 wherein the catalyst composition further comprises a metal stearate.
- 35. The process of claim 16 wherein the process takes place in the slurry phase.
- 36. The process of claim 35 wherein the catalyst composition is fed into the reactor as a solution.
- 37. The process of claim 35 wherein the catalyst composition is fed into the reactor as a slurry.
- 38. The process of claim 35 wherein the transition metal compound is [1-(2-Pyridyl)N-1-Methylethyl][1-N-2,6-Diisopropylphenyl Amido] Zirconium Tribenzyl, the additive is acetone and the activator is an alumoxane.
- 39. The process of claim 35 wherein the catalyst composition further comprises a metal stearate.
- 40. The process of claim 35 wherein the catalyst composition further comprises aluminum distearate.
- 41. The process of claim 16 wherein the reactor temperature is varied to cause a change in the Mw/Mn of the polymer produced as compared to the polymer produced before the temperature change.
- 42. The process of claim 16 wherein the temperature of the catalyst system before the catalyst system is introduced into the reactor is varied to cause a change in the Mw/Mn of the polymer produced as compared to the polymer produced before the temperature is varied.
- 43. The process of claim 16 wherein the activator to catalyst ratio is varied to cause a change in the Mw/Mn of the polymer produced as compared to the polymer produced before the ratio change.
- 44. The process of claim 16 wherein the additive is combined with the transition metal compound in the reactor.
- 45. The process of claim 16 wherein the transition metal compounds are contacted with solvent prior to contact with the activator.
- 46. The process of claim 16 further comprising a method to control molecular weight distribution (Mw/Mn), flow index, and/or density comprising altering on line in a gas phase reactor having a volume of 1500 cubic feet or more the reaction temp and/or the hydrogen concentration and/or the activator to transition metal ratio.
RELATED APPLICATION DATA
[0001] This application is a Divisional of U.S. patent application Ser. No. 09/216,215, now issued as U.S. Pat. No. ______.
Divisions (1)
|
Number |
Date |
Country |
Parent |
09216215 |
Dec 1998 |
US |
Child |
09867154 |
May 2001 |
US |